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Finding the Fourth Proportional to 252,052.04, 347,831.54 and 138,874.76

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Solution

The fourth proportional to 252,052.04, 347,831.54 and 138,874.76 is: 191,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,052.04 : 347,831.54 = 138,874.76 : x
  2. Step 2: Convert to fraction form
    252,052.04/347,831.54 = 138,874.76/x
  3. Step 3: Cross multiply
    252,052.04x = 347,831.54 × 138,874.76
  4. Step 4: Simplify right side
    252,052.04x = 48,305,021,637.93
  5. Step 5: Solve for x
    x = 48,305,021,637.93/252,052.04
  6. Step 6: Final answer
    x = 191,647.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.